:root {
    --primary-color: #1e293b;
    --accent-color: #d97706;
    --text-color: #334155;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.05);
    --transition: all 0.25s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background-color: var(--primary-color);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #0f172a;
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-top-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header-top-links a {
    margin-left: 15px;
    color: var(--accent-color);
}

.header-main {
    padding: 15px 0;
}

.header-main-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--white);
}

.logo span {
    color: var(--accent-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

nav a {
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

nav a:hover, nav a.active {
    color: var(--accent-color);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, rgba(30,41,59,0.95), rgba(15,23,42,0.9)), url('https://images.unsplash.com/photo-1538688525198-9b88f6f53126?auto=format&fit=crop&w=1200&q=80') center/cover;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 25px;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-grey {
    background-color: var(--light-bg);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-3px);
}

/* Product Cards */
.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    transform: translateY(-3px);
}

.product-img {
    height: 180px;
    background-color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #64748b;
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.15rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-desc {
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 15px;
    flex-grow: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background-color: #b45309;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 15px 0;
    background-color: var(--light-bg);
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumbs a {
    color: var(--accent-color);
}

.breadcrumbs span {
    color: #94a3b8;
    margin: 0 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .header-main-flex {
        flex-direction: column;
    }
    nav ul {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}